Implemented and tested Cloud Key

Mage.Sets/src/mage/sets/futuresight/CloudKey.java

@@ -0,0 +1,108 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package mage.sets.futuresight;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+import mage.abilities.Ability;
+import mage.abilities.SpellAbility;
+import mage.abilities.common.AsEntersBattlefieldAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.common.cost.CostModificationEffectImpl;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.choices.Choice;
+import mage.choices.ChoiceImpl;
+import mage.constants.CardType;
+import mage.constants.CostModificationType;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.constants.Rarity;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.util.CardUtil;
+
+/**
+ *
+ * @author nick.myers
+ */
+public class CloudKey extends CardImpl {
+    
+    private static final Choice spellTypeChoice = new ChoiceImpl(true);
+    private static final Set<String> spellTypeChoices = new HashSet<String>();
+    static {
+        spellTypeChoice.setMessage("Choose a spell type");
+        spellTypeChoices.add(CardType.ARTIFACT.toString());
+        spellTypeChoices.add(CardType.CREATURE.toString());
+        spellTypeChoices.add(CardType.ENCHANTMENT.toString());
+        spellTypeChoices.add(CardType.INSTANT.toString());
+        spellTypeChoices.add(CardType.SORCERY.toString());
+        spellTypeChoice.setChoices(spellTypeChoices);
+    }
+    
+    public CloudKey(UUID ownerId) {
+        super(ownerId, 160, "Cloud Key", Rarity.RARE, new CardType[]{CardType.ARTIFACT}, "{3}");
+        this.expansionSetCode = "FUT";
+        
+        // As Cloud Key enters the battlefield, choose artifact, creature, 
+        // enchantment, instant, or sorcery.
+        Ability ability = new EntersBattlefieldTriggeredAbility(new CloudKeyChooseEffect(), false);
+        ability.addChoice(spellTypeChoice);
+        this.addAbility(ability);
+        
+        // Spells of the chosen type cost {1} less to cast
+        // implement here
+    }
+    
+    @Override
+    public CloudKey copy() {
+        return new CloudKey(this);
+    }
+    
+    public CloudKey(final CloudKey card) {
+        super(card);
+    }
+}
+
+class CloudKeyChooseEffect extends CostModificationEffectImpl {
+
+    public CloudKeyChooseEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.REDUCE_COST);
+        this.staticText = "choose artifact, creature, enchantment, instant, or sorcery. Spells of the chosen type cost {1} less to cast.";
+    }
+    
+    public CloudKeyChooseEffect(final CloudKeyChooseEffect effect) {
+        super(effect);
+    }
+    
+    @Override
+    public CloudKeyChooseEffect copy() {
+        return new CloudKeyChooseEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source, Ability abilityToModify) {
+        SpellAbility spellAbility = (SpellAbility) abilityToModify;
+        CardUtil.adjustCost(spellAbility, 1);
+        return true;
+    }
+
+    @Override
+    public boolean applies(Ability abilityToModify, Ability source, Game game) {
+        
+        if (abilityToModify instanceof SpellAbility && abilityToModify.getControllerId().equals(source.getControllerId())) {
+            Card card = game.getCard(abilityToModify.getSourceId());
+            if (card.getCardType().toString().contains(source.getChoices().get(0).getChoice())) {                
+                return true;
+            }
+        }
+        
+        return false;
+    }    
+}
+